201122222101121 has 4 divisors (see below), whose sum is σ = 202175218028544. Its totient is φ = 200069226173700.

The previous prime is 201122222101079. The next prime is 201122222101211. The reversal of 201122222101121 is 121101222221102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201122222101121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201122222101093 and 201122222101102.

It is not an unprimeable number, because it can be changed into a prime (201122222101421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 526497963425 + ... + 526497963806.

It is an arithmetic number, because the mean of its divisors is an integer number (50543804507136).

Almost surely, 2^{201122222101121} is an apocalyptic number.

It is an amenable number.

201122222101121 is a deficient number, since it is larger than the sum of its proper divisors (1052995927423).

201122222101121 is a wasteful number, since it uses less digits than its factorization.

201122222101121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052995927422.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 201122222101121 its reverse (121101222221102), we get a palindrome (322223444322223).

The spelling of 201122222101121 in words is "two hundred one trillion, one hundred twenty-two billion, two hundred twenty-two million, one hundred one thousand, one hundred twenty-one".